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Email

Bulwark provides a full-featured email experience powered by the JMAP protocol.

Inbox & Folders

  • Three-pane layout (sidebar, email list, viewer) with configurable mail layout settings
  • Hierarchical mailbox display with unread counts
  • Unread filter toggle in the mailbox sidebar
  • Drag-and-drop email organization between folders
  • Archive actions with configurable archive organization modes (single folder, year folders, or year/month folders)
  • Virtual scrolling for large email lists
  • Infinite scroll pagination
  • Empty folder action for Junk and Trash mailboxes (with confirmation)
  • Hover actions with configurable quick-action buttons for common operations
  • Attachment position setting (top or bottom of email viewer)
  • Answered and forwarded email status indicators

Composing

The rich text editor supports:

  • Formatting - Bold, italic, underline, strikethrough
  • Lists - Ordered and unordered lists
  • Links - Inline hyperlinks
  • Block quotes and code blocks
  • Attachments - Drag-and-drop file attachments
  • Inline images - Paste or drag images directly, with resizable image component
  • Image upload - Rich text editor supports direct image upload
  • Signatures - Multiple per-identity signatures
  • Templates - Reusable email templates with placeholder variables
  • Identity selection - Choose sender identity from dropdown with auto-select reply identity
  • Reply-to addresses - Configure reply-to addresses in the composer
  • Plain text mode - Optional plain text-only composer mode
  • Conversation threading - Optional toggle to disable conversation threading

Keyboard Shortcut

Press C anywhere in the app to open the compose window.

Reading

  • Threaded conversation view with inline expansion
  • Iframe-based HTML rendering with smart dark mode transformation
  • Optional "Always Show Emails in Light Mode" setting for problematic HTML mail in dark theme
  • DOMPurify sanitization for security
  • External content blocked by default with per-sender trust
  • SPF/DKIM/DMARC status indicators with security tooltips
  • TNEF (winmail.dat) detection and extraction for Outlook rich-text bodies and attachments
  • Embedded message/rfc822 attachment unwrapping with enhanced HTML body validation
  • S/MIME status banners for encrypted and signed messages, including unlock prompts for protected keys
  • Download or preview attachments
  • Reply, reply-all, and forward actions
  • Quick reply form
  • Expandable email headers with contact sidebar
  • Move-to mailbox directly from the viewer
  • Newsletter unsubscribe support (RFC 2369)
  • Mobile bottom action bar with reply and navigation controls
  • Auto-fetch full email content when a message is auto-selected

Bulwark provides a visual search panel with search chips for precise filtering:

  • Text search - Full-text search across email content
  • From - Filter by sender
  • To - Filter by recipient
  • Subject - Search in subject line
  • Body - Search in email body
  • Has attachment - Filter emails with/without attachments
  • Date range - Filter by before/after dates
  • Read status - Filter read or unread emails
  • Starred - Filter starred or unstarred emails

Active filters display as removable search chips above the email list. The search supports cross-mailbox queries, wildcard queries, and OR conditions across supported fields.

Press / to focus the search bar.

Labels & Tags

Organize emails with colored labels. Labels are synced with JMAP keywords so they persist across clients. Customize label names and colors from settings.

Email Export & Import

Export and import emails with full localization support across all supported languages.

Batch Operations

Select multiple emails for bulk actions: archive, delete, mark read/unread, star/unstar, and move to folder.

S/MIME

  • Import PKCS#12 identities and recipient public certificates from Settings
  • Bind certificates to identities for default signing behavior
  • Toggle signing and encryption directly in the composer
  • Automatically decrypt supported encrypted messages when the matching key is available
  • Legacy password-based encryption (PBE) support for older certificate formats
  • Enhanced certificate extraction from signed messages
  • Verify signatures in the viewer and optionally auto-import signer certificates for future encryption

Email Filters

Server-side email filtering via JMAP Sieve Scripts (RFC 9661):

  • Visual rule builder with conditions (From, To, Subject, Size, Body, etc.) and actions (Move, Forward, Mark read, Star, Discard, Reject, etc.)
  • Expanded visual view for reviewing filter rules at a glance
  • Raw Sieve editor with syntax validation
  • Drag-and-drop rule reordering
  • Auto-save with rollback on failure
  • Only shown when the server supports Sieve

Email Templates

  • Reusable templates organized by category (General, Business, Personal, Support, Follow-up, custom)
  • Placeholder variables ({{recipientName}}, {{date}}, etc.) with auto-fill from composer context
  • Template picker in compose toolbar with search and category filter
  • Template manager in settings